No sleep-Send help!!!

Our son Jack has never been a good sleeper last time we got a 6 hour stretch of sleep with him was the beginning of October 🤦🏻‍♀️ Now he’s days short of being 9 months old; refuses the crib & continues to co-sleep with us but seriously (F this for much longer). My dude is up every 30 minutes to an hour I am seriously so lucky to get close to 1.5-2 hours anymore.

What do I do? He eats like a champ (regular food, breastmilk & formula), plays, has a regular routine every day & we have no luck!

We are at our whits end here!!! Any advise or help would be wonderful.